F-35 Lightning II vs. SU-27 Flanker : Russian Jet That Fights for Both Sides

F-35 Lightning II vs. SU-27 Flanker : In the ever-evolving world of military aviation, two iconic aircraft have captured the imagination of aviation enthusiasts and defense experts alike – the F-35 Lightning II and the SU-27 Flanker. Each represents the pinnacle of its respective nation’s aerospace technology, with unique capabilities and roles in modern air warfare. This article delves into a comprehensive comparison of these two formidable fighter aircraft, exploring their design, performance, armament, avionics, roles in air operations, and their impact on modern warfare.

F-35 Lightning II vs. SU-27 Flanker Detail Comprision

Design and Development:

The F-35 Lightning II, developed by Lockheed Martin, is a fifth-generation stealth multirole fighter designed to excel in air-to-air and air-to-ground combat. Its development involved a consortium of nations, including the United States, the United Kingdom, and several others. The F-35’s sleek design incorporates advanced stealth features, making it nearly invisible to enemy radar systems. It comes in three main variants – the F-35A (conventional takeoff and landing), F-35B (short takeoff and vertical landing), and F-35C (carrier-based).

The SU-27 Flanker, designed by the Soviet Union’s Sukhoi Corporation, is a fourth-generation air superiority fighter developed during the Cold War. Its design prioritizes speed, agility, and raw power. The SU-27 has an impressive aerodynamic design, boasting large wings and a twin-engine configuration. Over the years, several variants of the SU-27 have been produced, each with specific modifications to suit various roles.

Stealth and Low Observability:

One of the most significant differences between these two aircraft is their approach to stealth and low observability. The F-35 is renowned for its advanced stealth capabilities, allowing it to operate undetected by enemy radar systems. Its carefully designed shape, internal weapon bays, and specialized coatings minimize its radar cross-section, making it a formidable adversary in contested airspace.

Conversely, the SU-27 is a non-stealth aircraft, relying on speed, maneuverability, and long-range missiles to engage and defeat enemy threats. While its radar and electronic warfare systems are impressive, it lacks the inherent radar-evading features of the F-35.

Performance and Speed:

In terms of performance, the F-35 Lightning II offers remarkable capabilities. It can achieve a maximum speed of approximately Mach 1.6 (1,200 mph or 1,930 km/h) and has a service ceiling of 50,000 feet (15,000 meters). The F-35’s range varies depending on its variant but typically extends up to 1,200 nautical miles (2,220 kilometers).

On the other hand, the SU-27 Flanker is known for its incredible speed. It can reach a maximum speed of Mach 2.35 (2,500 km/h or 1,550 mph) and can operate at altitudes of up to 60,700 feet (18,500 meters). Its range is approximately 2,195 miles (3,530 kilometers), allowing it to cover extensive distances without refueling.

Armament:

Both aircraft are equipped with a range of advanced weaponry. The F-35 Lightning II features internal and external hardpoints for missiles, bombs, and other munitions. It can carry air-to-air missiles like the AIM-120 and AIM-9X, as well as air-to-ground ordnance like the GBU-12 and GBU-31.

The SU-27 Flanker is no slouch when it comes to armament. It is armed with a 30mm GSh-30-1 cannon and can carry a variety of air-to-air and air-to-ground missiles. The combination of its impressive speed and agility makes it a formidable platform for both air-to-air combat and ground attack missions.

Avionics and Sensors:

The F-35’s advanced avionics suite includes cutting-edge sensors, such as the AN/APG-81 AESA radar, which provides superior situational awareness and target tracking. Additionally, the F-35 features the Distributed Aperture System (DAS), allowing pilots to “see” through the aircraft’s structure using a network of cameras.

The SU-27 is equipped with the N001 radar and a comprehensive suite of electronic warfare systems. While it may not match the F-35’s sensor fusion and stealth technology, it compensates with its agility and powerful radar.

Role in Air Operations:

The F-35 Lightning II is a versatile multirole fighter designed to excel in a wide range of missions, including air-to-air combat, ground attack, intelligence, surveillance, reconnaissance (ISR), and electronic warfare. Its stealth capabilities make it suitable for penetrating heavily defended airspace.

The SU-27 Flanker primarily serves as an air superiority fighter. Its role is to establish and maintain control over the skies, ensuring that hostile aircraft are kept at bay. Its speed and agility make it a formidable adversary in aerial combat.

Impact on Modern Warfare:

The F-35 Lightning II has had a profound impact on modern warfare by offering a stealthy, versatile, and networked platform for both the United States and its allied nations. Its ability to operate in contested environments and share real-time data with other assets enhances situational awareness and contributes to the success of joint operations.

The SU-27 Flanker, while not as modern as the F-35, has played a crucial role in shaping air warfare. It has influenced the development of subsequent fighter aircraft and has been exported to various countries, bolstering their air forces’ capabilities.

Comprision Table between F-35 Lightning II Vs the SU-27 Flanker

Here’s a comparison table between the F-35 Lightning II and the SU-27 Flanker:

Specification	F-35 Lightning II	SU-27 Flanker
Role	Multirole fighter	Air superiority fighter
Maximum Speed	Mach 1.6 (1,200 mph)	Mach 2.35 (2,500 km/h or 1,550 mph)
Operational Range	Approximately 2,200 kilometers (1,367 miles)	Approximately 3,530 kilometers (2,195 miles)
Service Ceiling	50,000 feet (15,000 meters)	60,700 feet (18,500 meters)
Engines	1 x Pratt & Whitney F135-PW-100 turbofan (F-35A and F-35C) 1 x Pratt & Whitney F135-PW-600 turbofan (F-35B, Short Takeoff and Vertical Landing)	2 x Saturn AL-31F turbofan engines (12,500 kgf/123 kN thrust each)
Armament	Internal and external hardpoints for missiles, bombs, and other munitions (F-35A: 4 internal, F-35B/C: 2 internal) Air-to-air and air-to-ground ordnance (AIM-120, AIM-9X, GBU-12, GBU-31, etc.)	30mm GSh-30-1 cannon and air-to-air/air-to-ground missiles
Stealth Capabilities	Advanced stealth design and materials	Limited stealth features
Countries of Operation	Operated by various countries, including the United States, NATO allies, and international partners	Primarily operated by Russia, with several other operators
Primary Role	Multirole fighter with air-to-air and air-to-ground capabilities	Air superiority fighter focused on air-to-air combat
Avionics and Sensors	Cutting-edge avionics, advanced sensors, and data-sharing capabilities	Equipped with powerful radar and air-to-air missiles, but less advanced avionics compared to the F-35
Connectivity and Data Sharing	Designed for network-centric warfare, emphasizing data sharing and connectivity	Focuses on air superiority and air defense for protecting airspace
Production Status	In production and operational with various nations	Introduced in the 1980s and remains operational

Please note that these specifications provide a broad overview of the two aircraft, and each platform has various versions and configurations with differences in capabilities.

Here’s the size comparison between the F-35 Lightning II and the SUKHOI SU-27 in table format:

CATEGORY	F-35 LIGHTNING 2	SUKHOI SU-27
Length	15.6 m (50.0 ft)	21.9 m (72.9 ft)
Wingspan	10.7 m (35 ft 0 in)	14.7 m (48.2 ft)
Wing Area	42.0 m² (460 sq ft)	62.0 m² (667 sq ft)
Height	4.33 m (14.2 ft)	5.92 m (19 ft 6 in)
Weight	13,200 kg (30,200 lb)	16,380 kg (36,100 lb)
Power	1 x 190 kN (43,000 lbf)	2 x 123 kN (27,300 lbf)

Here’s the dogfight (close to medium range) ratings for the F-35 Lightning II and the SUKHOI SU-27 with some minor improvements in readability:

CATEGORY	F-35 LIGHTNING 2	SUKHOI SU-27
Cannon	GAU-22/A	GSh-30-1
Caliber (mm)	20 mm	30 mm
Rate of Fire (rpm)	4,200 rpm	1,800 rpm
Muzzle Velocity	1,000 m/s	860 m/s
Size Point 10%-30%	20%	10%
Maneuverability	8.5	9.4
Thrust/Weight Ratio	1.07	1.05
AAM (first)	AIM-9X	AA-11 Archer
Operational Range (1st)	0.2 – 50 km	0.3 – 40 km
AAM (second)	IRIS-T	AA-8 Aphid
Operational Range (2nd)	0.5 – 30 km	0.1 – 8 km
Dogfight Rating	70%	87%

These ratings provide an overview of their capabilities in close to medium-range combat situations.

Conclusion: F-35 Lightning II vs. SU-27 Flanker

In summary, the F-35 Lightning II and the SU-27 Flanker represent two distinct approaches to air warfare. The F-35 excels in stealth, versatility, and network-centric warfare, while the SU-27 boasts speed, maneuverability, and a legacy of air superiority. Each aircraft has left an indelible mark on the world of military aviation, contributing to the ongoing evolution of aerial combat.

Similarity between F-35 Lightning II and the SU-27 Flanker

Despite their differences, the F-35 Lightning II and the SU-27 Flanker share some similarities:

Versatility: Both aircraft are designed to be versatile in their roles. While the F-35 Lightning II is a multirole fighter capable of air-to-air and air-to-ground missions, the SU-27 Flanker primarily serves as an air superiority fighter but can also perform ground attack missions when required.
Advanced Avionics: Both aircraft are equipped with advanced avionics and sensors to enhance situational awareness. While the F-35’s sensor suite is more modern and features advanced technologies, the SU-27’s avionics have been continuously upgraded to remain competitive.
Powerful Engines: Both aircraft are powered by powerful turbofan engines. The F-35 Lightning II features the Pratt & Whitney F135 engine, while the SU-27 Flanker is equipped with the Saturn AL-31F engine. These engines provide high thrust-to-weight ratios, contributing to the aircraft’s performance.
Supersonic Speed: Both aircraft can achieve supersonic speeds. The F-35 Lightning II has a maximum speed of approximately Mach 1.6, while the SU-27 Flanker can reach Mach 2.35. This enables both aircraft to engage and disengage from combat situations rapidly.
Hardpoints for Weaponry: Both aircraft have hardpoints for carrying a variety of air-to-air and air-to-ground munitions. They can be armed with missiles, bombs, and other ordnance to fulfill their mission requirements.
Exported to Multiple Nations: Both the F-35 Lightning II and the SU-27 Flanker have been exported to multiple nations, strengthening the air capabilities of those countries and contributing to their defense strategies.
Influence on Modern Aviation: Both aircraft have had a significant impact on modern aviation. The F-35 Lightning II has set new standards for stealth and network-centric warfare, while the SU-27 Flanker’s design and capabilities have influenced subsequent fighter aircraft development.

While these similarities exist, it’s essential to recognize that the two aircraft are designed for different eras and operational philosophies, resulting in distinctive strengths and weaknesses that cater to their intended roles and missions.

Faqs F-35 Lightning II Vs the SU-27 Flanker

Here are some frequently asked questions (FAQs) comparing the F-35 Lightning II and the SU-27 Flanker:

1. What are the primary roles of the F-35 Lightning II and the SU-27 Flanker?

The F-35 Lightning II is a multirole fighter designed for air-to-air combat, air-to-ground strikes, electronic warfare, and intelligence, surveillance, and reconnaissance (ISR) missions.
The SU-27 Flanker is primarily an air superiority fighter, but it can also perform ground attack and interception missions.

2. How do their stealth capabilities differ?

The F-35 Lightning II is known for its advanced stealth features, making it challenging for enemy radar to detect. It incorporates stealthy design elements and materials.
The SU-27 Flanker lacks significant stealth features, making it more visible to radar systems.

3. What is the maximum speed of each aircraft?

The F-35 Lightning II has a maximum speed of approximately Mach 1.6 (1,200 mph).
The SU-27 Flanker can reach a maximum speed of approximately Mach 2.35 (2,500 km/h or 1,550 mph).

4. Which countries operate these aircraft?

The F-35 Lightning II is operated by various countries, including the United States, NATO allies, and other international partners.
The SU-27 Flanker is primarily operated by Russia and several other nations, including China, Ukraine, and Belarus.

5. How do their combat capabilities compare in terms of weapons and sensors?

The F-35 Lightning II is equipped with advanced sensors and a wide array of air-to-air and air-to-ground munitions. It features cutting-edge avionics and data-sharing capabilities.
The SU-27 Flanker is equipped with powerful radar and air-to-air missiles, making it a formidable adversary in air-to-air combat. However, its avionics are not as advanced as those of the F-35.

6. Which aircraft has a longer operational range?

The F-35 Lightning II has an operational range of approximately 2,200 kilometers (1,367 miles).
The SU-27 Flanker has a longer operational range of approximately 3,530 kilometers (2,195 miles).

7. How do their roles in modern warfare differ?

The F-35 Lightning II is designed for modern network-centric warfare, emphasizing data sharing and connectivity with other platforms and forces.
The SU-27 Flanker focuses on air superiority and has been part of Russia’s defense strategy for protecting its airspace.

These FAQs provide a brief overview of the key differences and characteristics of the F-35 Lightning II and the SU-27 Flanker. Each aircraft serves unique roles and reflects the priorities of their respective operators.